Finding the Fourth Proportional to 939,226.20, 1,409,616.90 and 434,563.80
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Solution
The fourth proportional to 939,226.20, 1,409,616.90 and 434,563.80 is: 652,205.48
Step by Step Solution
- Step 1: Write the proportion equation
939,226.20 : 1,409,616.90 = 434,563.80 : x - Step 2: Convert to fraction form
939,226.20/1,409,616.90 = 434,563.80/x - Step 3: Cross multiply
939,226.20x = 1,409,616.90 × 434,563.80 - Step 4: Simplify right side
939,226.20x = 612,568,476,608.22 - Step 5: Solve for x
x = 612,568,476,608.22/939,226.20 - Step 6: Final answer
x = 652,205.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.